pub trait SymbolTableClone {
// Required method
fn clone_box<'a>(&self) -> Box<dyn SymbolTable + 'a>
where Self: 'a;
}
pub trait SymbolTableClone {
// Required method
fn clone_box<'a>(&self) -> Box<dyn SymbolTable + 'a>
where Self: 'a;
}